QByteArray ba("World"); ba.prepend('H'); // ba is now "HelloWorld"
QByteArray ba1("World"); QByteArray ba2("Hello,"); ba1.prepend(ba2); // ba1 is now "Hello,World"
QByteArray ba("World"); const char* str = "Hello,"; ba.prepend(str, std::strlen(str)); // equivalent to ba.prepend("Hello,"); // ba is now "Hello,World"
#includeThis method is part of the Qt library, specifically the QtCore library.int main() { QByteArray ba("World"); ba.prepend(QByteArray("Hello,")); qDebug() << ba; // prints "Hello,World" return 0; }